Throttle body percentage is 3% at idle and engine is running rough and rpm drops

What is your question?

Happens only when idling or at a stop. Driving seems smooth.

What makes this problem better or worse?

Having the Ac on makes it worse

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in Vienna VA

Oct 1, 2023

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RepairPal Certified shops can diagnose and repair your 2003 Chevrolet Trailblazer. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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Open

Closes 5:00 PM

Call